Description:
Ball Mill Chromium Carbide Overlay Liner is lined inside the cylinder of the ball mill, the role is to protect the inner wall of the cylinder from being damaged by the impact of materials and steel balls, and also to adjust the movement of the grinding media inside the cylinder through different liner shapes to help the grinding media to grind the materials better and strengthen the grinding efficiency and grinding effect.
Production Process:
1, medium frequency electric furnace on high-quality carbon steel, high chromium and other alloy materials, melting, micro-alloying treatment, tempering, and then casting with a vanishing mold.
2, using vacuum casting, directional solidification technology, grain refinement, eliminating casting defects.
3, heat treatment and water toughness process, quenching and tempering to change the internal structure of the liner, heated to 1100 ℃ insulation, and then out of the furnace, chemical water toughness treatment, and then 600 ℃ low-temperature tempering, and finally out of the furnace air-cooling, to further enhance the mechanical properties, Dongchen liner hardness and toughness requirements are very high.
Features :
1. High wear resistance and impact resistance
Double-dielectric quenching is carried out in the alloy steel bushing through scientific and reasonable alloy element formula. The lining has good physical and chemical properties, the hardness is above HRC50-65, the impact toughness value is above 25J, and the service life is more than twice that of high manganese steel. Can withstand huge impact strength. The surface shape of the liner can be maintained for a long time during work, and the stability of the mill can be increased to more than 5%.
2. High strength, high toughness
In the quenching process of the liner, the special dual-medium quenching agent with good thermal stability is used as the medium to make the product achieve the matching of high strength, high hardness and high toughness, and meet the requirements of wear resistance technology.
3. High cost performance and adaptability
After advanced dual-medium quenching process, it has the characteristics of high quenching hardness and high toughness value. In order to make the bushing have good wear resistance, the high manganese steel bushing has an excellent cost performance compared with the medium alloy double medium quenching medium alloy steel ball mill bushing. Suitable for mine wet grinding, dry grinding, mixed grinding, etc.
4.Easy to install and reduce maintenance costs.
Ball mill chromium carbide overlay liner is widely used and has been well received by customers！
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